All of this week's questions relate to the $1.35 trillion tax law signed Thursday by President Bush. This isn't surprising since even experienced lawyers and accountants find the new law to be remarkably complex.

Q: Will the rebates we'll be getting from the Treasury this summer be taxed by the IRS as earned income? Also, is there any hope that the tax on 85% of Social Security benefits, passed as part of the 1993 tax increase, will...